Home / 119,025.36-163,939.68-88,713.54

Finding the Fourth Proportional to 119,025.36, 163,939.68 and 88,713.54

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Solution

The fourth proportional to 119,025.36, 163,939.68 and 88,713.54 is: 122,189.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,025.36 : 163,939.68 = 88,713.54 : x
  2. Step 2: Convert to fraction form
    119,025.36/163,939.68 = 88,713.54/x
  3. Step 3: Cross multiply
    119,025.36x = 163,939.68 × 88,713.54
  4. Step 4: Simplify right side
    119,025.36x = 14,543,669,359.27
  5. Step 5: Solve for x
    x = 14,543,669,359.27/119,025.36
  6. Step 6: Final answer
    x = 122,189.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.